removing dirt and mildew from soffit - The HuntingPA.com Outdoor Community
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post #1 of 22 (permalink) Old 07-10-2011, 09:53 PM Thread Starter
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removing dirt and mildew from soffit

With all the trees around camp I've accumulated quite a build up of dirt and mildew, what is the best product that I can use with my power washer to help clean up the mold/mildew that is around the outside - shutters and soffit.
It's pretty caked on, I've been hitting it with the power washer and some Krud Kutter I bought at Lowes. It is working but very very slow. I think I probably have about 3 or for layers of mildew to go.
Any thoughts? I keep hearing to use bleach but I was wondering if there is anything else I could/should be using? I'm not sure I can put bleach through the power washer detergent container.
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post #2 of 22 (permalink) Old 07-10-2011, 09:58 PM
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Re: removing dirt and mildew from soffit

Scrape as much of the stuff off with a putty knife and a stiff brush as you can. When you do the power wash, addd in regular liquid bleach. The bleach will kill it. Also, you may want to think about a preventative, now-and-then, power wash + bleach just to keep teh mildew under control.

Good night Chesty, wherever you are......
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post #3 of 22 (permalink) Old 07-10-2011, 10:36 PM
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Re: removing dirt and mildew from soffit

gallon on bleach gallon of water spray it on let it sit for one hour then scrub it off . i use a pesticde portable sprayer.
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post #4 of 22 (permalink) Old 07-10-2011, 10:37 PM Thread Starter
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Re: removing dirt and mildew from soffit

Thanks for the response. I was hoping not to have to drag a ladder that someone knew of a product I could try. Unless I hear of something, I will try scraping just like jimsdad mentioned then power washing/bleach method. This mildew has gotten out of control. I definitely will have to be a little more pro-active and power wash it more frequently once I get this under control.
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post #5 of 22 (permalink) Old 07-10-2011, 10:43 PM Thread Starter
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Re: removing dirt and mildew from soffit

Will it work better applying through the sprayer and rinsing it with the power washer? I've read a few places they prefter that method.
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post #6 of 22 (permalink) Old 07-10-2011, 11:43 PM
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Re: removing dirt and mildew from soffit

Try simple green, it seems to work o.k.
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post #7 of 22 (permalink) Old 07-10-2011, 11:52 PM
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Re: removing dirt and mildew from soffit

Car Rim cleaner.

As Charles Barkley says, "I may be wrong, but I doubt it".
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post #8 of 22 (permalink) Old 07-11-2011, 12:52 AM
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Re: removing dirt and mildew from soffit

Here is something else you can try. This mostly works best on wood shingled roofs where the moss has a tendancy to grow or other unwanted vegitation likes to invade. Take some heavy gage bare copper wire and make sure it does not have any protective coating on the copper. Stretch the wire lengthwise along a run of shingles near the peak of the roof and anchor it at both ends. Do this every 6 to 10 shingle runs as you go down the roof and make sure the copper will be exposed to running rain water. The rain water will pick up copper and deposit it along the slope of the roof killing any mold, moss and other junk that likes to grow on shaded wooden roofs. My father-in-law was a chemical engineere and he did this on the roof of his camp in the Shenandoa Valley. Worked very well. Copper was pretty cheap then......

Good night Chesty, wherever you are......
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post #9 of 22 (permalink) Old 07-11-2011, 01:14 AM
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Re: removing dirt and mildew from soffit

Try dawn dish liquid. It work for moss on my shed as a neighbor recommend for me. He says other dish liquid would not work that it had to be dawn. I put it on waited an hour and just hosed and raked it off. Good luck.
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post #10 of 22 (permalink) Old 07-11-2011, 03:24 PM
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Re: removing dirt and mildew from soffit

Quote:
Originally Posted by jimsdad
Here is something else you can try. This mostly works best on wood shingled roofs where the moss has a tendancy to grow or other unwanted vegitation likes to invade. Take some heavy gage bare copper wire and make sure it does not have any protective coating on the copper. Stretch the wire lengthwise along a run of shingles near the peak of the roof and anchor it at both ends. Do this every 6 to 10 shingle runs as you go down the roof and make sure the copper will be exposed to running rain water. The rain water will pick up copper and deposit it along the slope of the roof killing any mold, moss and other junk that likes to grow on shaded wooden roofs. My father-in-law was a chemical engineere and he did this on the roof of his camp in the Shenandoa Valley. Worked very well. Copper was pretty cheap then......
Your idea is good ... and it does work; however, in many parts of PA, the copper will have been stolen when you return to your camp.

R.I.P. WCO Dave Grove ... You will never be forgotten.
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